Aethra is a genus of crabs in the family Aethridae, containing the following species: Aethra edentata Edmondson, 1951 Aethra scruposa (Linnaeus, 1764) Aethra scutata Smith, 1869 Aethra seychellensis Takeda, 1975 †Aethra stalennyii Ossó, 2018

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